Some of the best horror games on Roblox even have intriguing lore and full stories to uncover, all the while trying to stay alive. Best of all, these games are all completely free to play so ...

One of the more popular horror games on Roblox, Mental is reminiscent of the original Outlast game. You can play on servers of up to 15 people, or completely on your own.

So, you have to find him. Roses is also one of the short horror games on Roblox. It has three chapters and takes around 25 minutes to play. However, note that the game isn't receiving updates.